crab

Definition of crab

1pluralcrabsalsocrab: any of numerous chiefly marine broadly built decapod crustaceans:a: any of an infraorder (Brachyura) with a short broad usually flattened carapace, a small abdomen that curls forward beneath the body, short antennae, and the anterior pair of limbs modified as grasping pincersb: any of various crustaceans of an infraorder (Anomura) resembling true crabs in the more or less reduced condition of the abdomen

crab

Definition of crab for Students

crab

Definition of crab for Students

crabbed

crabbing

Medical Dictionary

crab

Medical Definition of crab

1: any of a tribe (Brachyura) of chiefly marine crustaceans with a short broad usually flattened carapace, a small abdomen that curls forward beneath the body, short antennae, and the anterior pair of limbs modified as grasping pincers